The reason we use t procedures instead of z procedures when carrying out a test about a
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The reason we use t procedures instead of z procedures when carrying out a test about a population mean is that
a. z requires that the sample size be large.
b. z requires that you know the population standard deviation σ.
c. z requires that the data come from a random sample.
d. z requires that the population distribution be Normal.
e. z can only be used for proportions.
Select the best answer.
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b z requires that you know the population standard deviation Explanation Tt...View the full answer
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